<template>
  <div class="login_container">
    <div class="login_box">
        <div class="avatar_box">
            <img src="../assets/logo.png" alt="">
        </div>
        <el-form :model="LoginForm" :rules="LoginFormRules" ref="LoginFromReset" class="login_form" label-width="0px">
            <el-form-item prop="username">
                <el-input v-model="LoginForm.username" prefix-icon="iconfont icon-user"></el-input>
            </el-form-item>
   
            <el-form-item prop="password">
                <el-input v-model="LoginForm.password" prefix-icon="iconfont icon-3702mima" type="password"></el-input>
            </el-form-item>
        
            <el-form-item class="btns">
                <el-button type="primary" @click="login">登录</el-button>
                <el-button type="info" @click="ResetLoginForm">重置</el-button>
            </el-form-item>
        </el-form>
    </div>
    
  </div>
</template>

<script>
export default {
    data () {
        return {
            LoginForm:{
                username:'admin',
                password:'123456'
            },
            LoginFormRules:{
                username:[
                    { required: true, message: '请输入用户名', trigger: 'blur' },
                    { min: 3, max: 5, message: '长度在 3 到 5 个字符', trigger: 'blur' }
                ],
                password:[
                    { required: true, message: '请输入密码', trigger: 'blur' },
                    { min: 6, max: 12, message: '长度在 6 到 12 个字符', trigger: 'blur' }
                ],
            }
        }
    },
    methods: {
        ResetLoginForm(){
            // 重置form表单
            this.$refs.LoginFromReset.resetFields();
        },
        login(){
            this.$refs.LoginFromReset.validate(async (valid)=>{
                if (!valid) return
                const {data: response} = await this.$http.post("login",this.LoginForm)
                // console.log(response)
                if (response.meta.status !== 200) {
                    this.$message.error("登录失败")
                }else{
                    this.$message.success("登录成功")
                    // token存入session中
                    sessionStorage.setItem('token',response.data.token)
                    this.$router.push('/home')
                }
            })
        }
    }

}
</script>

<style lang="less" scoped>
.login_container{
    background-color: #2b4b6b;
    height: 100%;
}
.login_box{
    height: 300px;
    width: 450px;
    background-color: #fff;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
}
.avatar_box{
    height: 130px;
    width: 130px;
    border: 1px solid #eee;
    border-radius: 50%;
    padding: 10px;
    box-shadow: 0 0 10px #ddd;
    position: absolute;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #fff;
    img{
        height: 100%;
        width: 100%;
        border-radius: 50%;
        background-color: #eee;
    }

}
.login_form{
    position: absolute;
    bottom: 0;
    width: 100%;
    padding: 20px;
    box-sizing: border-box;
}

.btns{
    display: flex;
    justify-content: flex-end;
}
</style>